Hi, 2014-08-09 11:05 GMT+02:00 Hsin-Hsiang Tseng <hsinhsiangtseng@xxxxxxxxx>: > Could you change another sample to test? > As a result, we can check this is a driver issue or sample issue. I can change whatever you want :). I noticed that on first boot it seems to be working fine, but after some minutes, if I reboot (POR or poweroff/poweron) I have those messages. >> [ 4.518732] mmc0: req done (CMD18): 0: 00000900 00000000 00000000 00000000 >> [ 4.518746] mmc0: 4096 bytes transferred: 0 >> [ 4.518756] mmc0: (CMD12): 0: 00000b00 00000000 00000000 00000000 > the eMMC has change state to data state(0xb00) and the data transferred 0... > It means the cmd and clk pin work well. I will check the DMA and data > lines(pin). >> [ 4.518545] mmc1: req done (CMD17): 0: 00000900 00000000 00000000 00000000 >> [ 4.518563] mmc1: 0 bytes transferred: -84 > No data transferred from your platform to eMMC....even use single block read. What is the next step ? BTW, I am now on the latest 3.17-rc2 tag. Thanks, JM -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
